Harris Value

18407 Mariner Pl, Humble, TX 77346

2,577 sqft, built 2004, in Walden On Lake Houston Appraised at $324,764 for 2026.

Harris County account 1159850480014

Appraised value
$324,764
Tax year 2026 · after any cap, before exemptions
Living area
2,577 sqft
$126 per sqft
Year built
2004
Good quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 77346, Walden On Lake Houston, and Kingwood assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is delivered, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 1.8% from $318,914 in 2025 to $324,764 in 2026.
  • Appraised value per square footThe current public record shows about $126 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Walden On Lake Houston neighborhood and ZIP 77346.
  • Neighborhood value signalAmong 370 residential records in the same neighborhood, the average appraised value is about $121 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.3% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

  • 18046 Overlook Park Ct, Humble, TX 77346
    July-31-2026 | 2,625 sqft | $114/sqft | built 1996 | Similar size (2,625 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $298,500
  • 7818 Devlin Dr, Humble, TX 77346
    September-4-2026 | 2,714 sqft | $129/sqft | built 1999 | 5% size difference (2,714 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $349,900
  • 20018 Water Point Trl, Humble, TX 77346
    September-4-2026 | 2,449 sqft | $151/sqft | built 1999 | Similar size (2,449 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $369,900
  • 12018 Salt River Valley Ln, Humble, TX 77346
    July-30-2026 | 2,709 sqft | $155/sqft | built 2006 | 5% size difference (2,709 sqft); Similar age (2006); Sold after the valuation date
    $419,000
  • 19518 Water Point Trl, Humble, TX 77346
    September-3-2026 | 2,708 sqft | $141/sqft | built 1998 | 5% size difference (2,708 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $382,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.